15739840

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:605

約数の個数: 56

約数和(自身を含む): 37929312

約数和(自身を除く): 22189472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 487, 505, 808, 974, 1010, 1616, 1948, 2020, 2435, 3232, 3896, 4040, 4870, 6464, 7792, 8080, 9740, 15584, 16160, 19480, 31168, 32320, 38960, 49187, 77920, 98374, 155840, 196748, 245935, 393496, 491870, 786992, 983740, 1573984, 1967480, 3147968, 3934960, 7869920, 15739840]

約数ペア:

[(1, 15739840), (2, 7869920), (4, 3934960), (5, 3147968), (8, 1967480), (10, 1573984), (16, 983740), (20, 786992), (32, 491870), (40, 393496), (64, 245935), (80, 196748), (101, 155840), (160, 98374), (202, 77920), (320, 49187), (404, 38960), (487, 32320), (505, 31168), (808, 19480), (974, 16160), (1010, 15584), (1616, 9740), (1948, 8080), (2020, 7792), (2435, 6464), (3232, 4870), (3896, 4040)]